Dental saw



FIG. 1 is a perspective view of a dental saw showing my new design;

FIG. 2 is a side elevational view showing the side opposite that shown in FIG. 1;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front end view thereof; and,

FIG. 5 is a rear end view thereof. 

The ornamental design for a dental saw, substantially as shown. 